Choate CMod Tactical Buttstock for CMod Chassis System comes with an adjustable length of pull spacer system and a one-inch rubber recoil pad. The LOP is adjustable from 12.5" to 13.5" with the two 1/2" spacers that come with the stock. You can get additional spacers in 1/4", 1/2", and 3/4" for a max LOP of 14.25". You can also add a very soft LimbSaver recoil pad as desired.